2 accidental.cc -- implement Accidental_interface
4 source file of the GNU LilyPond music typesetter
6 (c) 2001--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>
9 #include "accidental-interface.hh"
10 #include "font-interface.hh"
12 #include "output-def.hh"
17 TODO: insert support for smaller cautionaries, tie-break-reminders.
18 Either here or in new-accidental-engraver.
20 'accidentals should go, for a single 'accidental property -- see
21 accidental-placement.cc
24 parenthesize (Grob *me, Stencil m)
26 Stencil open = Font_interface::get_default_font (me)->find_by_name ("accidentals.leftparen");
27 Stencil close = Font_interface::get_default_font (me)->find_by_name ("accidentals.rightparen");
29 m.add_at_edge (X_AXIS, LEFT, Stencil (open), 0, 0);
30 m.add_at_edge (X_AXIS, RIGHT, Stencil (close), 0, 0);
35 MAKE_SCHEME_CALLBACK (Accidental_interface, after_line_breaking, 1);
37 Accidental_interface::after_line_breaking (SCM smob)
39 Grob *me = unsmob_grob (smob);
40 Grob *tie = unsmob_grob (me->get_object ("tie"));
42 if (tie && !tie->original_)
44 return SCM_UNSPECIFIED;
48 Accidental_interface::accurate_boxes (Grob *a, Grob **common)
51 b[X_AXIS] = a->extent (a, X_AXIS);
52 b[Y_AXIS] = a->extent (a, Y_AXIS);
57 if (to_boolean (a->get_property ("cautionary")))
59 SCM cstyle = a->get_property ("cautionary-style");
60 parens = ly_is_equal (cstyle, ly_symbol2scm ("parentheses"));
63 SCM accs = a->get_property ("accidentals");
64 SCM scm_style = a->get_property ("style");
65 if (!scm_is_symbol (scm_style)
67 && scm_ilength (accs) == 1)
69 switch (scm_to_int (scm_car (accs)))
77 we could make the stem thinner, but that places the flats
80 stem[X_AXIS][RIGHT] *= .5;
83 To prevent vertical alignment for 6ths
86 bulb[Y_AXIS][UP] *= .35;
101 belly[Y_AXIS] *= 0.75;
102 lstem[X_AXIS][RIGHT] *= .33;
103 rstem[X_AXIS][LEFT] = rstem[X_AXIS].linear_combination (1.0 / 3.0);
104 lstem[Y_AXIS][DOWN] = belly[Y_AXIS][DOWN];
105 rstem[Y_AXIS][UP] = belly[Y_AXIS][UP];
112 TODO: add support for, double flat.
120 Offset o (a->relative_coordinate (common[X_AXIS], X_AXIS),
121 a->relative_coordinate (common[Y_AXIS], Y_AXIS));
122 for (int i = boxes.size (); i--;)
123 boxes[i].translate (o);
129 * Some styles do not provide all flavours of accidentals, e.g. there
130 * is currently no sharp accidental in vaticana style. In these cases
131 * this function falls back to one of the other styles.
135 todo: this sort of stuff in Scheme. --hwn.
138 Accidental_interface::get_fontcharname (String style, int alteration)
140 if (alteration == DOUBLE_FLAT
141 || alteration == DOUBLE_SHARP)
142 return to_string (alteration);
144 if (style == "hufnagel")
147 case FLAT: return "hufnagel-1";
148 case 0: return "vaticana0";
149 case SHARP: return "mensural1";
151 if (style == "medicaea")
154 case FLAT: return "medicaea-1";
155 case 0: return "vaticana0";
156 case SHARP: return "mensural1";
158 if (style == "vaticana")
161 case FLAT: return "vaticana-1";
162 case 0: return "vaticana0";
163 case SHARP: return "mensural1";
165 if (style == "mensural")
168 case FLAT: return "mensural-1";
169 case 0: return "vaticana0";
170 case SHARP: return "mensural1";
173 if (style == "neomensural")
174 style = ""; // currently same as default
175 if (style == "default")
177 return style + to_string (alteration);
180 MAKE_SCHEME_CALLBACK (Accidental_interface, print, 1);
182 Accidental_interface::print (SCM smob)
184 Grob *me = unsmob_grob (smob);
185 bool smaller = false;
188 bool caut = to_boolean (me->get_property ("cautionary"));
191 SCM cstyle = me->get_property ("cautionary-style");
192 parens = ly_is_equal (cstyle, ly_symbol2scm ("parentheses"));
193 smaller = ly_is_equal (cstyle, ly_symbol2scm ("smaller"));
196 SCM scm_style = me->get_property ("style");
198 if (scm_is_symbol (scm_style))
199 style = ly_symbol2string (scm_style);
202 preferably no name for the default style.
209 SCM ac = Font_interface::music_font_alist_chain (me);
211 TODO: should calc font-size by adding -2 to current font-size
213 ac = scm_cons (scm_list_1 (scm_cons
214 (ly_symbol2scm ("font-size"),
217 fm = select_font (me->get_layout (), ac);
220 fm = Font_interface::get_default_font (me);
223 for (SCM s = me->get_property ("accidentals");
224 scm_is_pair (s); s = scm_cdr (s))
226 int alteration = scm_to_int (scm_car (s));
227 String font_char = get_fontcharname (style, alteration);
228 Stencil acc (fm->find_by_name ("accidentals." + font_char));
231 me->warning (_f ("accidental `%s' not found", font_char));
233 mol.add_at_edge (X_AXIS, RIGHT, acc, 0.1, 0);
237 mol = parenthesize (me, mol);
239 return mol.smobbed_copy ();
243 TODO: should move avoid-slur into item?
245 ADD_INTERFACE (Accidental_interface, "accidental-interface",
246 "a single accidental",